|Finding ID||Version||Rule ID||IA Controls||Severity|
|Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating system must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated. Satisfies: SRG-OS-000478-GPOS-00223, SRG-OS-000396-GPOS-00176|
|Canonical Ubuntu 18.04 LTS Security Technical Implementation Guide||2022-12-06|
|Check Text ( C-20876r304781_chk )|
| Verify the system is configured to run in FIPS mode. |
Check that the system is configured to run in FIPS mode with the following command:
# grep -i 1 /proc/sys/crypto/fips_enabled
If a value of "1" is not returned, this is a finding.
|Fix Text (F-20875r880861_fix)|
| Configure the system to run in FIPS mode. Add "fips=1" to the kernel parameter during the Ubuntu operating systems install. |
Enabling a FIPS mode on a pre-existing system involves a number of modifications to the Ubuntu operating system. Refer to the Ubuntu Server 18.04 FIPS 140-2 security policy document for instructions. A subscription to the "Ubuntu Pro" plan is required to obtain the FIPS Kernel cryptographic modules and enable FIPS.